A super site from the Department of Energy designed to engage students in the science of alternative fuels and energy-efficient engineering. 
Teachers@Randomhouse 
A resource center packed with teacher's guides, reader's companions, and much more!
PBS Teacher's Source 
Good materials and resources for teachers. 
Pitsco's Launch 
Great web resources for educators.
Global Schoolhouse
Education resources and links. Good ideas for teachers.
Yahoo Education
Tons of info. and links for all school-related subjects.
NC Wise Owl
Lots of information for North Carolina teachers.
SmartStart
State website with information to help teachers and parents.
NC Public Schools
North Carolina school information and links for teachers and administrators.
LEARN NC
Tips and ideas for North Carolina teachers.
Children's Literature Web Guide
Resources and links related to literature for children.
ERIC Educator's Reference Desk
Ideas, information and links for teachers.
Teacher Vision
Resources and lesson plans specifically designed for teachers, by teachers, in an easy-to-use, convenient format.
FunBrain.com
Super educational site for K-8th grade teachers.